//通过mutation间接更新state的多个方法的对象
import {
  RECEIVE_ADDRESS,
  RECEIVE_CATEGORYS,
  RECEIVE_SHOPS,
  RECEIVE_USER_INFO,
  RESET_USER_INFO,
  RECEIVE_INFO,
  RECEIVE_RATINGS,
  RECEIVE_GOODS,
  INCREMENT_FOOD_COUNT,
  DECREMENT_FOOD_COUNT,
  CLEAR_CART,
  RECEIVE_SEARCH_SHOPS
} from './mutation-types'

import {
  reqAddress,
  reqFoodTypes,
  reqShops,
  reqUserInfo,
  reqLogout,
  reqShopInfo,
  reqShopRatings,
  reqShopGoods,
  reqSearchShop
} from '../api'

export default {
  //异步获取地址
  async getAddress({commit, state}) {
    //发送异步ajax请求
    const geohash = state.latitude + ',' + state.longitude
    const result = await reqAddress(geohash);
    console.log(result)
    //提交一个Mmutation
    if (result.code == 0) {
      const address = result.data;
      console.log(address)
      commit(RECEIVE_ADDRESS, {address})
    }
  },

  //异步获取食品分类列表
  async getCategorys({commit}) {
    //发送异步ajax请求
    const result = await reqFoodTypes()
    //提交一个Mmutation
    if (result.code == 0) {
      const categorys = result.data;
      commit(RECEIVE_CATEGORYS, {categorys})
    }
  },

  //异步获取商家列表
  async getShops({commit, state}) {
    //发送异步ajax请求
    const {latitude, longitude} = state
    const result = await reqShops(latitude, longitude)
    //提交一个Mmutation
    if (result.code == 0) {
      const shops = result.data;
      commit(RECEIVE_SHOPS, {shops})
    }
  },

  //同步记录用户信息
  recordUser({commit}, userInfo) {
    //发送异步ajax请求
    commit(RECEIVE_USER_INFO, {userInfo})
  },

  //异步获取用户信息
  async getUserInfo({commit}) {
    const result = await reqUserInfo();
    if (result.code == 0) {
      const userInfo = result.data;
      commit(RECEIVE_USER_INFO, {userInfo})
    }
  },

  //异步登出
  async logout({commit}) {
    const result = await reqLogout();
    if (result.code == 0) {
      commit(RESET_USER_INFO)
    }
  },

  // 异步获取商家信息
  async getShopInfo({commit}) {
    const result = await reqShopInfo()
    if (result.code === 0) {
      const info = result.data
      commit(RECEIVE_INFO, {info})
    }
  },

  // 异步获取商家评价列表
  async getShopRatings({commit}, callback) {
    const result = await reqShopRatings()
    if (result.code === 0) {
      const ratings = result.data
      commit(RECEIVE_RATINGS, {ratings})
      callback && callback()
    }
  },

  // 异步获取商家商品列表
  async getShopGoods({commit}, callback) {
    const result = await reqShopGoods()
    if (result.code === 0) {
      const goods = result.data
      commit(RECEIVE_GOODS, {goods})
      //数据更新了，通知一下组件\n
      callback && callback()
    }
  },

  //同步更新food中的count值
  updateFoodCount({commit}, {isAdd, food}) {
    if (isAdd) {
      commit(INCREMENT_FOOD_COUNT, {food})
    } else {
      commit(DECREMENT_FOOD_COUNT, {food})
    }
  },

  //同步清空购物车
  clearCart({commit}) {
    commit(CLEAR_CART)
  },

  // 异步搜索商家商品列表
  async searchShops({commit, state}, keyword) {
    const geohash = state.latitude + ',' + state.longitude
    const result = await reqSearchShop(geohash, keyword)
    if (result.code === 0) {
      const searchShops = result.data
      commit(RECEIVE_SEARCH_SHOPS, {searchShops})
    }
  },
}
